Click the Exhibit button. Which type of multiplexer is shown in the exhibit?（）
A. Thin Film filter
B. Fiber Bragg Grating
C. Arrayed Wave Guide
D. Erbium fiber amplifier
您可能感興趣的試卷
你可能感興趣的試題
A. none
B. -600 ps/nm
C. -200 ps/nm
D. +200 ps/nm
E. +600 ps/nm
A.0 ps/nm
B.340 ps/nm
C.200 ps/nm
D.3400 ps/nm
E.More information is needed.
A. fiber dispersion
B. signal attenuation
C. transmitter power
D. amplifier bandwidth
E. receiver dispersion tolerance
Click the Exhibit button. When designing a DWDM system with multiple amplified spans, a pre-amp is needed at Site B to （）. (Choose three.)
A. offset the OADM loss at site b
B. overcome the high multiplexer loss at site a
C. amplify signal levels after the high loss through Fiber Span 1
D. adjust add channels at site B to be at the same level as the passthrough channels
E. ensure that the per channel power is higher than the minimum needed for the post-amp at Site b
A. The glass core is doped with an Erbium in periodic segments of the fiber.
B. Layers of high index ?and low index ?material are deposited on a glass substrate.
C. Thin layers of silica glass are placed onto wafers to produce a prism-like effect.
D. Fiber is etched with an ultraviolet laser that is precisely spaced for specific wavelength filtering.
最新試題
What are three factors that limit the maximum distance of an amplified optical signal without regeneration? （）(Choose three.)
Click the Exhibit button. Which type of multiplexer is shown in the exhibit?（）
What is the difference between the transmitted power and the sensitivity of the receiver?（）
The dispersion of a non-zero dispersion shifted fiber is 6 ps/nm*km at 1550 nm and 10 ps/nm*km at 1610 nm. What is the minimum dispersion compensation required if an L-Band DWDM signal travels through 200 km of fiber and has a dispersion tolerance of 1800 ps/nm?（）
Which is a legitimate bandwidth matched pair?（）
Scrambling of SONET signals is done to （）.
The ONS 15216 is a 32-channel system. The ONS 15216 OADMs are capable of adding and dropping one, two, or four channels. How are the OADMs provisioned to add and drop specific channels?（）
A Channel ID mismatch occurs when （）.
Click the Exhibit button. When designing a DWDM system with multiple amplified spans, a pre-amp is needed at Site B to （）. (Choose three.)
What is an advantage of an externally modulated laser over a directly modulated laser?（）